XML 102 R88.htm IDEA: XBRL DOCUMENT v3.10.0.1
Quarterly Results of Operations (Unaudited) - Summary of Unaudited Quarterly Financial Data (Detail) - USD ($)
$ / shares in Units, $ in Thousands
 3 Months Ended 12 Months Ended
Dec. 31, 2018
Sep. 30, 2018
Jun. 30, 2018
Mar. 31, 2018
Dec. 31, 2017
Sep. 30, 2017
Jun. 30, 2017
Mar. 31, 2017
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Quarterly Financial Information Disclosure [Abstract]                      
Net revenues $ 73,720 $ 78,035 $ 74,196 $ 65,269 $ 58,771 $ 56,888 $ 57,709 $ 54,462 $ 291,220 $ 227,830 $ 200,280
Gross margin 33,873 39,004 35,883 30,211 26,931 25,143 25,930 23,652 138,971 101,656 91,209
Consolidated net income (loss) 6,907 13,048 7,909 3,982 1,619 38 (445) (954) 31,846 258 (6,261)
Net income (loss) attributable to noncontrolling interest (3) 36 49 39 8 49 14 20 121 91 (14)
Net income (loss) attributable to Vicor Corporation $ 6,910 $ 13,012 $ 7,860 $ 3,943 $ 1,611 $ (11) $ (459) $ (974) $ 31,725 $ 167 $ (6,247)
Net income (loss) per share attributable to Vicor Corporation:                      
Basic $ 0.17 $ 0.32 $ 0.20 $ 0.10         $ 0.80 $ 0.00 $ (0.16)
Diluted $ 0.17 $ 0.32 $ 0.19 $ 0.10         $ 0.78 0.00 $ (0.16)
Basic and diluted         $ 0.04 $ 0.00 $ (0.01) $ (0.02)   $ 0.00